It's a ratio divider -- what matters is the two resistors matching each other, not hitting 200k exactly. Also note sdkconfig.xiao now enables FRAME_BATTERY_ADC_GPIO by default, which the doc's "off by default" line no longer reflected.
It's a ratio divider -- what matters is the two resistors matching each other, not hitting 200k exactly. Also note sdkconfig.xiao now enables FRAME_BATTERY_ADC_GPIO by default, which the doc's "off by default" line no longer reflected.